Fox EQ2900 2.88kWh HV Battery (Slave)

Fox EQ2900 2.88kWh HV Battery (Slave)

#2: FE-HV-EQS-2900 

Fox EQ2900 Datasheet

Fox EQS2900 Manual

Fox EQS2900 Warranty

Fox EQ High Voltage Battery – Slave Module (EQS2900)

The Fox EQS2900 is a high-performance high-voltage battery slave module, designed to expand the capacity of the Fox EQ modular battery system. Built for flexibility, reliability, and fast installation, the EQ range is ideal for residential and light commercial energy storage applications where scalable capacity and long-term performance are essential.

The modular, plug-and-play design allows additional battery modules to be added in series, enabling systems to grow as energy demands increase — all while maintaining efficient high-voltage operation and seamless inverter communication.

Key Features & Benefits

• 2.88 kWh usable capacity per module

• Scalable system design – expand up to 20.16 kWh

• High voltage architecture for improved system efficiency

• 90% depth of discharge (DoD) for maximum usable energy

• Wide operating temperature tolerance for reliable year-round performance

• CAN communication for stable inverter integration

• Fast plug-and-play installation, reducing install time and labour costs

System Configuration Requirements

• Minimum configuration:

  • 2 modules required (1 × Master + 1 × Slave)

• Maximum configuration:

  • Up to 7 modules per stack (1 × Master + 6 × Slaves)

• Slave modules cannot operate independently and must be paired with a Fox EQ Master module.

Technical Specifications

• Weight: 33 kg

• Battery Type: Lithium-ion

• Nominal Energy: 2.88 kWh (2880 Wh)

• Depth of Discharge (DoD): 90%

• Nominal Voltage: 52 V

• Continuous Discharge Power (Normal Operation): 1.44 kW

• Maximum Discharge Power (5 minutes): 2.88 kW

• Surge Discharge Power (15 seconds): 3.0 kW

• Maximum Charge Power (5 minutes): 2.88 kW